diff --git a/tests/run_alexa_1m.sh b/tests/run_alexa_1m.sh
index c4d72d52..ee695e86 100755
--- a/tests/run_alexa_1m.sh
+++ b/tests/run_alexa_1m.sh
@@ -20,5 +20,5 @@ errfile=alexa_1m_err.log
 rm -f $logfile $errfile
 for url in $(shuf $HOME/src/alexatopsites/top-1m.txt); do
   echo "Checking $url" | tee -a $logfile | tee -a $errfile
-  ./linkchecker -r1 --no-status $DEBUG $url >> $logfile 2>>$errfile
+  ${PYTHON:-python} linkchecker -r1 --no-status $DEBUG $url >> $logfile 2>>$errfile
 done